HypoxiaNCT05873335
In Vivo Pulse Oximeter Validation Study
A study testing Mixtures of nitrogen, air, and carbon dioxide in people with Hypoxia, run by Gabi SmartCare at 1 site in United States.
Trial summary
The goal of this clinical trial is to compare values of SpO2 provided by the DUT and the SaO2 used as a reference in healthy adults. The main question it aims to answer is: what is the accuracy of the subject device compared to the 510(k)-cleared reference device A radial arterial cannula was placed in the wrist of… Read more about this study
- Who is it for?
- Ages 21 to 50 yearsHealthy volunteers can take part
- Conditions the study is for
- Hypoxia
- What is being tested?
- Mixtures of nitrogen, air, and carbon dioxide
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 12 participants
- Where
- 1 siteUnited States
- Study dates
- 28 Feb 2023to 1 Mar 2023
- Phase
- Interventional
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 21 to 50 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- Healthy adult
- Normal hemoglobin levels (Hemoglobin > 10 g/dL)
Who cannot join
- Systemic illness
- Obesity
Trial locations and contacts
1 site in 1 country.
United States1 site
Hypoxia Research Laboratory
San Francisco, California, 94143
About this study
Official title: In Vivo Testing for SpO2 Accuracy on Healthy Adults Under Laboratory Conditions
The goal of this clinical trial is to compare values of SpO2 provided by the DUT and the SaO2 used as a reference in healthy adults. The main question it aims to answer is: what is the accuracy of the subject device compared to the 510(k)-cleared reference device
A radial arterial cannula was placed in the wrist of each subject for arterial blood sampling and a subject device was placed on each arm of the patients. Then, hypoxia was induced to different stable levels of oxyhemoglobin saturation between 70-100% by having subjects breathe mixtures of nitrogen, air, and carbon dioxide controlled by the study physician. Values of SpO2 and SaO2 were then compared to provide a root mean square error and conclude on the subject device accuracy.
- Conditions
- Hypoxia
- Being tested
- Mixtures of nitrogen, air, and carbon dioxide
- Medical subject headings
- Hypoxia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Mixtures of nitrogen, air, and carbon dioxideCombination product
Also called Radial arterial cannula
Hypoxia was induced to different and stable levels of oxyhemoglobin saturation (between 70-100%) by having subjects breathe mixtures of nitrogen, air, and carbon dioxide controlled by the study physician by adjusting gas flows with valves according to breath-by-breath estimates of oxygen saturation calculated from end-tidal PO2 and PCO2 displayed on a screen using LabVIEW 2015
| Study group | Role | What they receive |
|---|---|---|
| Healthy Adults | Experimental | Healthy adults Receives: Combination Product: Mixtures of nitrogen, air, and carbon dioxide |
What is being measured
The primary outcome is the main question the study is designed to answer.
Measure of Accuracy (ARMS [%])
Arms, given in percentage or rms error, is the calculation of root mean square between SpO2 values from the subject device and the SaO2 from the Hemoximeter. It is a way of averaging the absolute values of errors over the full measurement range and is a similar measurmeent to a "rms error". It indicates how far (accurate) the provided value is from the reference used.
Measured: 1 hour
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted24 May 2023
- Study start28 Feb 2023
- Primary completion1 Mar 2023
- Study completion1 Mar 2023
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Other trials for HypoxiaStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Other
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 12 participants (actual)
Sponsor and investigators
- Lead sponsor
- Gabi SmartCare
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Philip E Bickler, M.D., PhD., Principal investigator, University of California, San Francisco
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05873335
- Sponsor's protocol ID
- SpO2_3
- Status last verified
- Dec 2024
- First submitted
- 4 May 2023
- Last updated
- 12 Dec 2024
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 12 Dec 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- In Vivo Testing for SpO2 Accuracy on Healthy Adults Under Laboratory Conditions
- ClinicalTrials.gov ID
- NCT05873335
- Acronym / sponsor ID
- SpO2_3
- Conditions
- Hypoxia
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 12 participants (actual)
- Lead sponsor
- Gabi SmartCareIndustry (pharma, biotech, devices)
- Study start
- 28 Feb 2023 (actual)
- Primary completion
- 1 Mar 2023 (actual)
- Study completion
- 1 Mar 2023 (actual)
- First posted
- 24 May 2023 (actual)
- Results
- Posted 12 Dec 2024
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The goal of this clinical trial is to compare values of SpO2 provided by the DUT and the SaO2 used as a reference in healthy adults. The main question it aims to answer is: what is the accuracy of the subject device compared to the 510(k)-cleared reference device
A radial arterial cannula was placed in the wrist of each subject for arterial blood sampling and a subject device was placed on each arm of the patients. Then, hypoxia was induced to different stable levels of oxyhemoglobin saturation between 70-100% by having subjects breathe mixtures of nitrogen, air, and carbon dioxide controlled by the study physician. Values of SpO2 and SaO2 were then compared to provide a root mean square error and conclude on the subject device accuracy.
Study design
- Primary purpose
- Other
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Healthy Adults | Experimental | Combination Product: Mixtures of nitrogen, air, and carbon dioxideHealthy adults |
Who may qualify
- Ages
- 21 to 50 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (2 listed)
- Healthy adult
- Normal hemoglobin levels (Hemoglobin > 10 g/dL)
Key exclusion criteria (2 listed)
- Systemic illness
- Obesity
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Mixtures of nitrogen, air, and carbon dioxideAlso: Radial arterial cannulaHypoxia was induced to different and stable levels of oxyhemoglobin saturation (between 70-100%) by having subjects breathe mixtures of nitrogen, air, and carbon dioxide controlled by the study physician by adjusting gas flows with valves according to breath-by-breath estimates of oxygen saturation calculated from end-tidal PO2 and PCO2 displayed on a screen using LabVIEW 2015 | Combination product | Healthy Adults |
Primary outcome
Measure of Accuracy (ARMS [%])
Time frame: 1 hour
Arms, given in percentage or rms error, is the calculation of root mean square between SpO2 values from the subject device and the SaO2 from the Hemoximeter. It is a way of averaging the absolute values of errors over the full measurement range and is a similar measurmeent to a "rms error". It indicates how far (accurate) the provided value is from the reference used.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 12 Dec 2024.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Individual participant dataSharing planned: No
Related trials for Hypoxia
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Ventilator Pressure and Optimization of Compliance and Hemodynamics
Bronchopulmonary Dysplasia, Pulmonary Hypertension Due to Lung Diseases and Hypoxia
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Minimal Sedation Versus Standard Continuous Sedation After Out-of-Hospital Cardiac Arrest
Out-of-Hospital Cardiac Arrest, Hypoxic-Ischemic Brain Injury
Recruiting
Methodological Study of Exercise and Hypoxic Conditions in Healthy Subjects
Healthy Subjects (HS), Exercise
RecruitingPhase 2
The PROTECT-HIE Pilot Trial
Hypoxic-ischemic Encephalopathy (HIE)
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Philip E Bickler, M.D., PhD. principal investigator
University of California, San Francisco
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Mixtures of nitrogen, air, and carbon dioxide in people with Hypoxia, run by Gabi SmartCare at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 12 Dec 2024. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Yes. Results are posted in the registry (first posted 12 Dec 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Measure of Accuracy (ARMS [%]) (time frame: 1 hour). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Dec 2024; AzTrials last refreshed its copy on 27 Oct 2026.